body{
	font-family: "Microsoft Yahei";
}

.main_wrap{
	position: absolute;
	left: 0;
	right: 0;
	top: 0;
	bottom: 0;
	background-color: gold;
}

.header{
	height: 50px;
	background-color: #37ab40;
	position: relative;
}

.header .logo{
	width: 89px;
	height: 36px;
	display: block;
	margin: 7px auto 0; 
}

.header .logo img{
	width: 100%;
	
}

.header .serch{
	position: absolute;
	width: 27px;
	height: 27px;
	top: 12px;
	right: 15px;
	background: url(../images/icons.png) left top no-repeat;
	background-size: 60px 840px;
}

.center_wrap{
	position: absolute;
	left: 0;
	right: 0;
	top: 50px;
	bottom: 50px;
	background-color: #efefef;
	overflow-x: hidden;
	overflow-y: auto;
}

.menu{
	height: 173px;
	background-color: #fff;
	margin: 10px;
	padding-top: 12px;
}

.menu li{
	width: 25%;
	height: 81px;
	float: left;
}

.menu li a{
	display: block;
	width: 56px;
	height: 56px;
	background: url(../images/icons.png) left -60px no-repeat;
	background-size: 60px 840px;
	margin: 0 auto 0;
}

.menu li h2{
	height: 26px;
	font: bold 13px/26px "Microsoft Yahei";
	text-align: center;
	color: #666;
}

.menu li:nth-child(2) a{
	background-position: left -120px;
}

.menu li:nth-child(3) a{
	background-position: left -180px;
}

.menu li:nth-child(4) a{
	background-position: left -240px;
}

.menu li:nth-child(5) a{
	background-position: left -300px;
}

.menu li:nth-child(6) a{
	background-position: left -360px;
}

.menu li:nth-child(7) a{
	background-position: left -420px;
}

.menu li:nth-child(8) a{
	background-position: left -480px;
}


.footer{
	position: absolute;
	width: 100%;
	height: 50px;
	background-color: #fff;
	left: 0;
	bottom: 0;
}

.footer li{
	width: 25%;
	float: left;
}

.footer li a{
	display: block;
	width: 25px;
	height: 25px;
	background: url(../images/icons.png) left -600px no-repeat;
	background-size: 60px 840px;
	margin: 5px auto 0;
}

.footer li h2{
	height: 26px;
	font: bold 13px/26px "Microsoft Yahei";
	text-align: center;
	color: #666;
}

.footer li:nth-child(2) a{
	background-position: left -660px;
}

.footer li:nth-child(3) a{
	background-position: left -720px;
}

.footer li:nth-child(4) a{
	background-position: left -780px;
}

.slide img{
	width: 100%;
}